40135464546 has 16 divisors (see below), whose sum is σ = 80606793600. Its totient is φ = 13322510768.

The previous prime is 40135464497. The next prime is 40135464547. The reversal of 40135464546 is 64546453104.

It is a super-2 number, since 2×40135464546² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40135464498 and 40135464507.

It is not an unprimeable number, because it can be changed into a prime (40135464547) 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, 13992801 + ... + 13995668.

It is an arithmetic number, because the mean of its divisors is an integer number (5037924600).

Almost surely, 2^40135464546 is an apocalyptic number.

40135464546 is an abundant number, since it is smaller than the sum of its proper divisors (40471329054).

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

40135464546 is a wasteful number, since it uses less digits than its factorization.

40135464546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27988713.

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 40135464546 in words is "forty billion, one hundred thirty-five million, four hundred sixty-four thousand, five hundred forty-six".