40266763488 has 144 divisors (see below), whose sum is σ = 131058266976. Its totient is φ = 11487974400.

The previous prime is 40266763487. The next prime is 40266763489. The reversal of 40266763488 is 88436766204.

40266763488 is a `hidden beast` number, since 40 + 2 + 6 + 67 + 63 + 488 = 666.

It is an interprime number because it is at equal distance from previous prime (40266763487) and next prime (40266763489).

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×40266763488² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40266763487) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1398970 + ... + 1427462.

It is an arithmetic number, because the mean of its divisors is an integer number (910126854).

Almost surely, 2^40266763488 is an apocalyptic number.

40266763488 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40266763488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65529133488).

40266763488 is an abundant number, since it is smaller than the sum of its proper divisors (90791503488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40266763488 is a wasteful number, since it uses less digits than its factorization.

40266763488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29217 (or 29206 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 54.

The spelling of 40266763488 in words is "forty billion, two hundred sixty-six million, seven hundred sixty-three thousand, four hundred eighty-eight".