40406551260 has 48 divisors (see below), whose sum is σ = 113341558176. Its totient is φ = 10755726592.

The previous prime is 40406551253. The next prime is 40406551301. The reversal of 40406551260 is 6215560404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 571107 + ... + 637946.

It is an arithmetic number, because the mean of its divisors is an integer number (2361282462).

Almost surely, 2^40406551260 is an apocalyptic number.

It is an amenable number.

40406551260 is an abundant number, since it is smaller than the sum of its proper divisors (72935006916).

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

40406551260 is a wasteful number, since it uses less digits than its factorization.

40406551260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209622 (or 1209620 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 40406551260 in words is "forty billion, four hundred six million, five hundred fifty-one thousand, two hundred sixty".