40373902 has 4 divisors (see below), whose sum is σ = 60560856. Its totient is φ = 20186950.

The previous prime is 40373899. The next prime is 40373903. The reversal of 40373902 is 20937304.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40373903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10093474 + ... + 10093477.

It is an arithmetic number, because the mean of its divisors is an integer number (15140214).

Almost surely, 2^40373902 is an apocalyptic number.

40373902 is a deficient number, since it is larger than the sum of its proper divisors (20186954).

40373902 is a wasteful number, since it uses less digits than its factorization.

40373902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20186953.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 40373902 is about 6354.0461125176. The cubic root of 40373902 is about 343.0574919142.

It can be divided in two parts, 403 and 73902, that added together give a triangular number (74305 = T₃₈₅).

The spelling of 40373902 in words is "forty million, three hundred seventy-three thousand, nine hundred two".