40265299680 has 384 divisors, whose sum is σ = 139898295936. Its totient is φ = 9692774400.

The previous prime is 40265299651. The next prime is 40265299703. The reversal of 40265299680 is 8699256204.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20407174 + ... + 20409146.

It is an arithmetic number, because the mean of its divisors is an integer number (364318479).

Almost surely, 2^40265299680 is an apocalyptic number.

40265299680 is a gapful number since it is divisible by the number (40) 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 40265299680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69949147968).

40265299680 is an abundant number, since it is smaller than the sum of its proper divisors (99632996256).

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

40265299680 is a wasteful number, since it uses less digits than its factorization.

40265299680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110 (or 2102 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 40265299680 in words is "forty billion, two hundred sixty-five million, two hundred ninety-nine thousand, six hundred eighty".