40481117747472 has 40 divisors (see below), whose sum is σ = 104656233420576. Its totient is φ = 13483381712896.

The previous prime is 40481117747461. The next prime is 40481117747479. The reversal of 40481117747472 is 27474771118404.

It is a happy number.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (40481117747479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322567953 + ... + 322693424.

Almost surely, 2^{40481117747472} is an apocalyptic number.

It is an amenable number.

40481117747472 is an abundant number, since it is smaller than the sum of its proper divisors (64175115673104).

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

40481117747472 is a wasteful number, since it uses less digits than its factorization.

40481117747472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645262695 (or 645262689 counting only the distinct ones).

The product of its (nonzero) digits is 9834496, while the sum is 57.

The spelling of 40481117747472 in words is "forty trillion, four hundred eighty-one billion, one hundred seventeen million, seven hundred forty-seven thousand, four hundred seventy-two".