40509487226892 has 24 divisors (see below), whose sum is σ = 94522746606400. Its totient is φ = 13503075302736.

The previous prime is 40509487226891. The next prime is 40509487226939. The reversal of 40509487226892 is 29862278490504.

It is a super-2 number, since 2×40509487226892² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40509487226891) 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, 8936542 + ... + 12683877.

Almost surely, 2^{40509487226892} is an apocalyptic number.

It is an amenable number.

40509487226892 is an abundant number, since it is smaller than the sum of its proper divisors (54013259379508).

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

40509487226892 is a wasteful number, since it uses less digits than its factorization.

40509487226892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21776565 (or 21776563 counting only the distinct ones).

The product of its (nonzero) digits is 139345920, while the sum is 66.

The spelling of 40509487226892 in words is "forty trillion, five hundred nine billion, four hundred eighty-seven million, two hundred twenty-six thousand, eight hundred ninety-two".