40133244660 has 48 divisors (see below), whose sum is σ = 112426028736. Its totient is φ = 10697156352.

The previous prime is 40133244659. The next prime is 40133244667. The reversal of 40133244660 is 6644233104.

It is a super-2 number, since 2×40133244660² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40133244667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28282 + ... + 284721.

It is an arithmetic number, because the mean of its divisors is an integer number (2342208932).

Almost surely, 2^40133244660 is an apocalyptic number.

It is an amenable number.

40133244660 is an abundant number, since it is smaller than the sum of its proper divisors (72292784076).

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

40133244660 is a wasteful number, since it uses less digits than its factorization.

40133244660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315152 (or 315150 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 40133244660 its reverse (6644233104), we get a palindrome (46777477764).

The spelling of 40133244660 in words is "forty billion, one hundred thirty-three million, two hundred forty-four thousand, six hundred sixty".