40071052 has 24 divisors (see below), whose sum is σ = 80289440. Its totient is φ = 17141760.

The previous prime is 40071049. The next prime is 40071061. The reversal of 40071052 is 25017004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20602 + ... + 22462.

Almost surely, 2^40071052 is an apocalyptic number.

It is an amenable number.

40071052 is an abundant number, since it is smaller than the sum of its proper divisors (40218388).

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

40071052 is a wasteful number, since it uses less digits than its factorization.

40071052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641 (or 2639 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 40071052 is about 6330.1699819199. The cubic root of 40071052 is about 342.1975649076.

Adding to 40071052 its reverse (25017004), we get a palindrome (65088056).

The spelling of 40071052 in words is "forty million, seventy-one thousand, fifty-two".