40289372 has 6 divisors (see below), whose sum is σ = 70506408. Its totient is φ = 20144684.

The previous prime is 40289369. The next prime is 40289383. The reversal of 40289372 is 27398204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5036168 + ... + 5036175.

It is an arithmetic number, because the mean of its divisors is an integer number (11751068).

Almost surely, 2^40289372 is an apocalyptic number.

It is an amenable number.

40289372 is a deficient number, since it is larger than the sum of its proper divisors (30217036).

40289372 is a wasteful number, since it uses less digits than its factorization.

40289372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10072347 (or 10072345 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 40289372 is about 6347.3909600717. The cubic root of 40289372 is about 342.8179071834.

The spelling of 40289372 in words is "forty million, two hundred eighty-nine thousand, three hundred seventy-two".