40454156 has 12 divisors (see below), whose sum is σ = 70845768. Its totient is φ = 20212512.

The previous prime is 40454137. The next prime is 40454189. The reversal of 40454156 is 65145404.

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, 4760 + ... + 10176.

It is an arithmetic number, because the mean of its divisors is an integer number (5903814).

Almost surely, 2^40454156 is an apocalyptic number.

It is an amenable number.

40454156 is a deficient number, since it is larger than the sum of its proper divisors (30391612).

40454156 is a wasteful number, since it uses less digits than its factorization.

40454156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7288 (or 7286 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 40454156 is about 6360.3581660155. The cubic root of 40454156 is about 343.2846478447.

The spelling of 40454156 in words is "forty million, four hundred fifty-four thousand, one hundred fifty-six".