40123215102057 has 8 divisors (see below), whose sum is σ = 53500886035200. Its totient is φ = 26747177118480.

The previous prime is 40123215102043. The next prime is 40123215102109. The reversal of 40123215102057 is 75020151232104.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40123215102057 - 2⁶ = 40123215101993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40123215102457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408180057 + ... + 408278342.

It is an arithmetic number, because the mean of its divisors is an integer number (6687610754400).

Almost surely, 2^{40123215102057} is an apocalyptic number.

It is an amenable number.

40123215102057 is a deficient number, since it is larger than the sum of its proper divisors (13377670933143).

40123215102057 is a wasteful number, since it uses less digits than its factorization.

40123215102057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816474783.

The product of its (nonzero) digits is 16800, while the sum is 33.

The spelling of 40123215102057 in words is "forty trillion, one hundred twenty-three billion, two hundred fifteen million, one hundred two thousand, fifty-seven".