40261512 has 32 divisors (see below), whose sum is σ = 104126400. Its totient is φ = 12957504.

The previous prime is 40261453. The next prime is 40261531. The reversal of 40261512 is 21516204.

It is a super-2 number, since 2×40261512² = 3241978697052288, which contains 22 as substring.

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, 28228 + ... + 29619.

It is an arithmetic number, because the mean of its divisors is an integer number (3253950).

Almost surely, 2^40261512 is an apocalyptic number.

It is an amenable number.

40261512 is an abundant number, since it is smaller than the sum of its proper divisors (63864888).

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

40261512 is a wasteful number, since it uses less digits than its factorization.

40261512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57885 (or 57881 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 40261512 is about 6345.1959780609. The cubic root of 40261512 is about 342.7388697207.

Adding to 40261512 its reverse (21516204), we get a palindrome (61777716).

The spelling of 40261512 in words is "forty million, two hundred sixty-one thousand, five hundred twelve".