40864603 has 12 divisors (see below), whose sum is σ = 45487344. Its totient is φ = 36493200.

The previous prime is 40864561. The next prime is 40864609. The reversal of 40864603 is 30646804.

It is not a de Polignac number, because 40864603 - 2⁹ = 40864091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40864609) 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, 10858 + ... + 14128.

It is an arithmetic number, because the mean of its divisors is an integer number (3790612).

Almost surely, 2^40864603 is an apocalyptic number.

40864603 is a deficient number, since it is larger than the sum of its proper divisors (4622741).

40864603 is a wasteful number, since it uses less digits than its factorization.

40864603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3346 (or 3315 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 40864603 is about 6392.5427648159. The cubic root of 40864603 is about 344.4417296082.

The spelling of 40864603 in words is "forty million, eight hundred sixty-four thousand, six hundred three".