40915547904 has 432 divisors, whose sum is σ = 141276047360. Its totient is φ = 10279526400.

The previous prime is 40915547899. The next prime is 40915547951. The reversal of 40915547904 is 40974551904.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20164362 + ... + 20166390.

Almost surely, 2^40915547904 is an apocalyptic number.

40915547904 is a gapful number since it is divisible by the number (44) 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 40915547904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70638023680).

40915547904 is an abundant number, since it is smaller than the sum of its proper divisors (100360499456).

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

40915547904 is a wasteful number, since it uses less digits than its factorization.

40915547904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108 (or 2083 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 40915547904 in words is "forty billion, nine hundred fifteen million, five hundred forty-seven thousand, nine hundred four".