40263480 has 240 divisors, whose sum is σ = 147102120. Its totient is φ = 9870336.

The previous prime is 40263407. The next prime is 40263481. The reversal of 40263480 is 8436204.

It is a super-2 number, since 2×40263480² = 3242295643420800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40263481) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 936339 + ... + 936381.

Almost surely, 2^40263480 is an apocalyptic number.

40263480 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 40263480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73551060).

40263480 is an abundant number, since it is smaller than the sum of its proper divisors (106838640).

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

40263480 is a wasteful number, since it uses less digits than its factorization.

40263480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 40263480 is about 6345.3510541183. The cubic root of 40263480 is about 342.7444540374.

Adding to 40263480 its reverse (8436204), we get a palindrome (48699684).

The spelling of 40263480 in words is "forty million, two hundred sixty-three thousand, four hundred eighty".