40196464436 has 12 divisors (see below), whose sum is σ = 74481684228. Its totient is φ = 18915983232.

The previous prime is 40196464423. The next prime is 40196464471. The reversal of 40196464436 is 63446469104.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18976715536 + 21219748900 = 137756^2 + 145670^2 .

It is a super-2 number, since 2×40196464436² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 295562171 + ... + 295562306.

It is an arithmetic number, because the mean of its divisors is an integer number (6206807019).

Almost surely, 2^40196464436 is an apocalyptic number.

It is an amenable number.

40196464436 is a deficient number, since it is larger than the sum of its proper divisors (34285219792).

40196464436 is a wasteful number, since it uses less digits than its factorization.

40196464436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591124498 (or 591124496 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 47.

The spelling of 40196464436 in words is "forty billion, one hundred ninety-six million, four hundred sixty-four thousand, four hundred thirty-six".