40027541655400 has 48 divisors (see below), whose sum is σ = 100222806228300. Its totient is φ = 14779399994880.

The previous prime is 40027541655337. The next prime is 40027541655427. The reversal of 40027541655400 is 455614572004.

It can be written as a sum of positive squares in 6 ways, for example, as 19031039801764 + 20996501853636 = 4362458^2 + 4582194^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7697601565 + ... + 7697606764.

Almost surely, 2^{40027541655400} is an apocalyptic number.

40027541655400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40027541655400 is an abundant number, since it is smaller than the sum of its proper divisors (60195264572900).

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

40027541655400 is a wasteful number, since it uses less digits than its factorization.

40027541655400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15395208358 (or 15395208349 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 43.

The spelling of 40027541655400 in words is "forty trillion, twenty-seven billion, five hundred forty-one million, six hundred fifty-five thousand, four hundred".