40454858 has 8 divisors (see below), whose sum is σ = 60943428. Its totient is φ = 20140384.

The previous prime is 40454789. The next prime is 40454929. The reversal of 40454858 is 85845404.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40360609 + 94249 = 6353^2 + 307^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42941 + ... + 43872.

Almost surely, 2^40454858 is an apocalyptic number.

40454858 is a deficient number, since it is larger than the sum of its proper divisors (20488570).

40454858 is a wasteful number, since it uses less digits than its factorization.

40454858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87048.

The product of its (nonzero) digits is 102400, while the sum is 38.

The square root of 40454858 is about 6360.4133513475. The cubic root of 40454858 is about 343.2866335033.

The spelling of 40454858 in words is "forty million, four hundred fifty-four thousand, eight hundred fifty-eight".