40302372 has 48 divisors (see below), whose sum is σ = 102961152. Its totient is φ = 12168480.

The previous prime is 40302347. The next prime is 40302377. The reversal of 40302372 is 27320304.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40302377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66093 + ... + 66699.

It is an arithmetic number, because the mean of its divisors is an integer number (2145024).

Almost surely, 2^40302372 is an apocalyptic number.

It is an amenable number.

40302372 is an abundant number, since it is smaller than the sum of its proper divisors (62658780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40302372 is a wasteful number, since it uses less digits than its factorization.

40302372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128 (or 1126 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 40302372 is about 6348.4149202773. The cubic root of 40302372 is about 342.8547750829.

Adding to 40302372 its reverse (27320304), we get a palindrome (67622676).

The spelling of 40302372 in words is "forty million, three hundred two thousand, three hundred seventy-two".