40007390034555 has 32 divisors (see below), whose sum is σ = 72637530854400. Its totient is φ = 20883290114016.

The previous prime is 40007390034553. The next prime is 40007390034589. The reversal of 40007390034555 is 55543009370004.

40007390034555 is a `hidden beast` number, since 4 + 0 + 0 + 0 + 7 + 3 + 90 + 0 + 3 + 4 + 555 = 666.

It is not a de Polignac number, because 40007390034555 - 2¹ = 40007390034553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 40007390034555.

It is not an unprimeable number, because it can be changed into a prime (40007390034553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3152664265 + ... + 3152676954.

It is an arithmetic number, because the mean of its divisors is an integer number (2269922839200).

Almost surely, 2^{40007390034555} is an apocalyptic number.

40007390034555 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40007390034555 is a deficient number, since it is larger than the sum of its proper divisors (32630140819845).

40007390034555 is a wasteful number, since it uses less digits than its factorization.

40007390034555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6305341280 (or 6305341274 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 45.

The spelling of 40007390034555 in words is "forty trillion, seven billion, three hundred ninety million, thirty-four thousand, five hundred fifty-five".