40102532 has 12 divisors (see below), whose sum is σ = 70297500. Its totient is φ = 20017536.

The previous prime is 40102523. The next prime is 40102553. The reversal of 40102532 is 23520104.

It can be written as a sum of positive squares in 2 ways, for example, as 10137856 + 29964676 = 3184^2 + 5474^2 .

It is a super-2 number, since 2×40102532² = 3216426145622048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40102532.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5657 + ... + 10592.

It is an arithmetic number, because the mean of its divisors is an integer number (5858125).

Almost surely, 2^40102532 is an apocalyptic number.

It is an amenable number.

40102532 is a deficient number, since it is larger than the sum of its proper divisors (30194968).

40102532 is a wasteful number, since it uses less digits than its factorization.

40102532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16870 (or 16868 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 40102532 is about 6332.6559988681. The cubic root of 40102532 is about 342.2871521041.

Adding to 40102532 its reverse (23520104), we get a palindrome (63622636).

The spelling of 40102532 in words is "forty million, one hundred two thousand, five hundred thirty-two".