40051472 has 10 divisors (see below), whose sum is σ = 77599758. Its totient is φ = 20025728.

The previous prime is 40051457. The next prime is 40051489. The reversal of 40051472 is 27415004.

It can be written as a sum of positive squares in only one way, i.e., 39137536 + 913936 = 6256^2 + 956^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1251593 + ... + 1251624.

Almost surely, 2^40051472 is an apocalyptic number.

It is an amenable number.

40051472 is a deficient number, since it is larger than the sum of its proper divisors (37548286).

40051472 is a wasteful number, since it uses less digits than its factorization.

40051472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2503225 (or 2503219 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 40051472 is about 6328.6232310037. The cubic root of 40051472 is about 342.1418195953.

Adding to 40051472 its reverse (27415004), we get a palindrome (67466476).

The spelling of 40051472 in words is "forty million, fifty-one thousand, four hundred seventy-two".