40372395 has 32 divisors (see below), whose sum is σ = 74560512. Its totient is φ = 18271872.

The previous prime is 40372369. The next prime is 40372403. The reversal of 40372395 is 59327304.

It is a happy number.

It is not a de Polignac number, because 40372395 - 2¹¹ = 40370347 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8949 + ... + 12681.

It is an arithmetic number, because the mean of its divisors is an integer number (2330016).

Almost surely, 2^40372395 is an apocalyptic number.

40372395 is a deficient number, since it is larger than the sum of its proper divisors (34188117).

40372395 is a wasteful number, since it uses less digits than its factorization.

40372395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3851.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 40372395 is about 6353.9275255546. The cubic root of 40372395 is about 343.0532235292.

Adding to 40372395 its reverse (59327304), we get a palindrome (99699699).

The spelling of 40372395 in words is "forty million, three hundred seventy-two thousand, three hundred ninety-five".