40628975 has 12 divisors (see below), whose sum is σ = 50570424. Its totient is φ = 32380320.

The previous prime is 40628957. The next prime is 40628981. The reversal of 40628975 is 57982604.

It is not a de Polignac number, because 40628975 - 2⁶ = 40628911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3992 + ... + 9858.

It is an arithmetic number, because the mean of its divisors is an integer number (4214202).

Almost surely, 2^40628975 is an apocalyptic number.

40628975 is a deficient number, since it is larger than the sum of its proper divisors (9941449).

40628975 is a wasteful number, since it uses less digits than its factorization.

40628975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6154 (or 6149 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 40628975 is about 6374.0862090185. The cubic root of 40628975 is about 343.7784285029.

The spelling of 40628975 in words is "forty million, six hundred twenty-eight thousand, nine hundred seventy-five".