40055670538290 has 120 divisors (see below), whose sum is σ = 118386759880620. Its totient is φ = 9710465561280.

The previous prime is 40055670538259. The next prime is 40055670538307. The reversal of 40055670538290 is 9283507655004.

40055670538290 is a `hidden beast` number, since 4 + 0 + 0 + 5 + 567 + 0 + 53 + 8 + 29 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 36628725395889 + 3426945142401 = 6052167^2 + 1851201^2 .

It is a super-2 number, since 2×40055670538290² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 204246805 + ... + 204442824.

Almost surely, 2^{40055670538290} is an apocalyptic number.

40055670538290 is an abundant number, since it is smaller than the sum of its proper divisors (78331089342330).

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

40055670538290 is a wasteful number, since it uses less digits than its factorization.

40055670538290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408689670 (or 408689650 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 54.

The spelling of 40055670538290 in words is "forty trillion, fifty-five billion, six hundred seventy million, five hundred thirty-eight thousand, two hundred ninety".