40147404140020 has 12 divisors (see below), whose sum is σ = 84309548694084. Its totient is φ = 16058961656000.

The previous prime is 40147404140017. The next prime is 40147404140027. The reversal of 40147404140020 is 2004140474104.

It can be written as a sum of positive squares in 2 ways, for example, as 28369727352976 + 11777676787044 = 5326324^2 + 3431862^2 .

It is a super-2 number, since 2×40147404140020² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40147404140027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1003685103481 + ... + 1003685103520.

It is an arithmetic number, because the mean of its divisors is an integer number (7025795724507).

Almost surely, 2^{40147404140020} is an apocalyptic number.

It is an amenable number.

40147404140020 is an abundant number, since it is smaller than the sum of its proper divisors (44162144554064).

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

40147404140020 is a wasteful number, since it uses less digits than its factorization.

40147404140020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007370207010 (or 2007370207008 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 31.

The spelling of 40147404140020 in words is "forty trillion, one hundred forty-seven billion, four hundred four million, one hundred forty thousand, twenty".