40742853858421 has 32 divisors (see below), whose sum is σ = 50328123310080. Its totient is φ = 32453650257600.

The previous prime is 40742853858401. The next prime is 40742853858433. The reversal of 40742853858421 is 12485835824704.

40742853858421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40742853858421 - 2³⁵ = 40708494120053 is a prime.

It is a super-2 number, since 2×40742853858421² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40742853858421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40742853858401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46850101 + ... + 47711818.

It is an arithmetic number, because the mean of its divisors is an integer number (1572753853440).

Almost surely, 2^{40742853858421} is an apocalyptic number.

It is an amenable number.

40742853858421 is a deficient number, since it is larger than the sum of its proper divisors (9585269451659).

40742853858421 is a wasteful number, since it uses less digits than its factorization.

40742853858421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94562097.

The product of its (nonzero) digits is 68812800, while the sum is 61.

The spelling of 40742853858421 in words is "forty trillion, seven hundred forty-two billion, eight hundred fifty-three million, eight hundred fifty-eight thousand, four hundred twenty-one".