40265318400 has 180 divisors, whose sum is σ = 133143986052. Its totient is φ = 10737418240.

The previous prime is 40265318399. The next prime is 40265318411. The reversal of 40265318400 is 481356204.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8053063678 + ... + 8053063682.

Almost surely, 2^40265318400 is an apocalyptic number.

40265318400 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 40265318400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66571993026).

40265318400 is an abundant number, since it is smaller than the sum of its proper divisors (92878667652).

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

40265318400 is an frugal number, since it uses more digits than its factorization.

40265318400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 10 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 40265318400 in words is "forty billion, two hundred sixty-five million, three hundred eighteen thousand, four hundred".