40551038 has 32 divisors (see below), whose sum is σ = 70391808. Its totient is φ = 17344800.

The previous prime is 40551023. The next prime is 40551079. The reversal of 40551038 is 83015504.

It is a junction number, because it is equal to n+sod(n) for n = 40550998 and 40551016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24431 + ... + 26037.

It is an arithmetic number, because the mean of its divisors is an integer number (2199744).

Almost surely, 2^40551038 is an apocalyptic number.

40551038 is a deficient number, since it is larger than the sum of its proper divisors (29840770).

40551038 is a wasteful number, since it uses less digits than its factorization.

40551038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 40551038 is about 6367.9696921389. The cubic root of 40551038 is about 343.5584688173.

The spelling of 40551038 in words is "forty million, five hundred fifty-one thousand, thirty-eight".