40236452 has 24 divisors (see below), whose sum is σ = 74387040. Its totient is φ = 18990720.

The previous prime is 40236451. The next prime is 40236461. The reversal of 40236452 is 25463204.

It is not an unprimeable number, because it can be changed into a prime (40236451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24827 + ... + 26397.

It is an arithmetic number, because the mean of its divisors is an integer number (3099460).

Almost surely, 2^40236452 is an apocalyptic number.

It is an amenable number.

40236452 is a deficient number, since it is larger than the sum of its proper divisors (34150588).

40236452 is a wasteful number, since it uses less digits than its factorization.

40236452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931 (or 1929 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 40236452 is about 6343.2209483826. The cubic root of 40236452 is about 342.6677445667.

Adding to 40236452 its reverse (25463204), we get a palindrome (65699656).

The spelling of 40236452 in words is "forty million, two hundred thirty-six thousand, four hundred fifty-two".