40087058 has 30 divisors (see below), whose sum is σ = 67979205. Its totient is φ = 17728920.

The previous prime is 40087057. The next prime is 40087067. The reversal of 40087058 is 85078004.

It can be written as a sum of positive squares in 2 ways, for example, as 32341969 + 7745089 = 5687^2 + 2783^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=4477.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40087057) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1083416 + ... + 1083452.

Almost surely, 2^40087058 is an apocalyptic number.

40087058 is a deficient number, since it is larger than the sum of its proper divisors (27892147).

40087058 is an frugal number, since it uses more digits than its factorization.

40087058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 40087058 is about 6331.4341187443. The cubic root of 40087058 is about 342.2431213616.

Multiplying 40087058 by its sum of digits (32), we get a square (1282785856 = 35816²).

The spelling of 40087058 in words is "forty million, eighty-seven thousand, fifty-eight".