40752428 has 6 divisors (see below), whose sum is σ = 71316756. Its totient is φ = 20376212.

The previous prime is 40752409. The next prime is 40752449. The reversal of 40752428 is 82425704.

It is a junction number, because it is equal to n+sod(n) for n = 40752394 and 40752403.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5094050 + ... + 5094057.

It is an arithmetic number, because the mean of its divisors is an integer number (11886126).

Almost surely, 2^40752428 is an apocalyptic number.

It is an amenable number.

40752428 is a deficient number, since it is larger than the sum of its proper divisors (30564328).

40752428 is a wasteful number, since it uses less digits than its factorization.

40752428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10188111 (or 10188109 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 40752428 is about 6383.7628402064. The cubic root of 40752428 is about 344.1262719239.

The spelling of 40752428 in words is "forty million, seven hundred fifty-two thousand, four hundred twenty-eight".