40071546 has 12 divisors (see below), whose sum is σ = 86821722. Its totient is φ = 13357176.

The previous prime is 40071523. The next prime is 40071553. The reversal of 40071546 is 64517004.

It can be written as a sum of positive squares in only one way, i.e., 31304025 + 8767521 = 5595^2 + 2961^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1113081 + ... + 1113116.

Almost surely, 2^40071546 is an apocalyptic number.

40071546 is an abundant number, since it is smaller than the sum of its proper divisors (46750176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40071546 is a wasteful number, since it uses less digits than its factorization.

40071546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226205 (or 2226202 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 40071546 is about 6330.2090012890. The cubic root of 40071546 is about 342.1989711173.

The spelling of 40071546 in words is "forty million, seventy-one thousand, five hundred forty-six".