40451508340368 has 40 divisors (see below), whose sum is σ = 105534380682816. Its totient is φ = 13350332784000.

The previous prime is 40451508340357. The next prime is 40451508340379. The reversal of 40451508340368 is 86304380515404.

It is an interprime number because it is at equal distance from previous prime (40451508340357) and next prime (40451508340379).

It is a self number, because there is not a number n which added to its sum of digits gives 40451508340368.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4171974148 + ... + 4171983843.

Almost surely, 2^{40451508340368} is an apocalyptic number.

40451508340368 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40451508340368 is an abundant number, since it is smaller than the sum of its proper divisors (65082872342448).

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

40451508340368 is a wasteful number, since it uses less digits than its factorization.

40451508340368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8343958103 (or 8343958097 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 51.

The spelling of 40451508340368 in words is "forty trillion, four hundred fifty-one billion, five hundred eight million, three hundred forty thousand, three hundred sixty-eight".