40473632 has 12 divisors (see below), whose sum is σ = 79682526. Its totient is φ = 20236800.

The previous prime is 40473623. The next prime is 40473649. The reversal of 40473632 is 23637404.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 35473936 + 4999696 = 5956^2 + 2236^2 .

It is a super-2 number, since 2×40473632² = 3276229774542848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40473595 and 40473604.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632369 + ... + 632432.

Almost surely, 2^40473632 is an apocalyptic number.

It is an amenable number.

40473632 is a deficient number, since it is larger than the sum of its proper divisors (39208894).

40473632 is a wasteful number, since it uses less digits than its factorization.

40473632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264811 (or 1264803 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 40473632 is about 6361.8890276395. The cubic root of 40473632 is about 343.3397286227.

The spelling of 40473632 in words is "forty million, four hundred seventy-three thousand, six hundred thirty-two".