40321458 has 24 divisors (see below), whose sum is σ = 91962000. Its totient is φ = 12732984.

The previous prime is 40321447. The next prime is 40321459. The reversal of 40321458 is 85412304.

It is not an unprimeable number, because it can be changed into a prime (40321459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58608 + ... + 59291.

It is an arithmetic number, because the mean of its divisors is an integer number (3831750).

Almost surely, 2^40321458 is an apocalyptic number.

40321458 is an abundant number, since it is smaller than the sum of its proper divisors (51640542).

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

40321458 is a wasteful number, since it uses less digits than its factorization.

40321458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117926 (or 117923 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 40321458 is about 6349.9179522258. The cubic root of 40321458 is about 342.9088884697.

The spelling of 40321458 in words is "forty million, three hundred twenty-one thousand, four hundred fifty-eight".