40149801296 has 40 divisors (see below), whose sum is σ = 85242710784. Its totient is φ = 18168053760.

The previous prime is 40149801283. The next prime is 40149801301. The reversal of 40149801296 is 69210894104.

It is a super-2 number, since 2×40149801296² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

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, 472241 + ... + 550736.

Almost surely, 2^40149801296 is an apocalyptic number.

It is an amenable number.

40149801296 is an abundant number, since it is smaller than the sum of its proper divisors (45092909488).

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

40149801296 is a wasteful number, since it uses less digits than its factorization.

40149801296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023219 (or 1023213 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The spelling of 40149801296 in words is "forty billion, one hundred forty-nine million, eight hundred one thousand, two hundred ninety-six".