40426584672 has 24 divisors (see below), whose sum is σ = 106119785016. Its totient is φ = 13475528192.

The previous prime is 40426584641. The next prime is 40426584683. The reversal of 40426584672 is 27648562404.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×40426584672³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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 3 ways as a sum of consecutive naturals, for example, 210555033 + ... + 210555224.

It is an arithmetic number, because the mean of its divisors is an integer number (4421657709).

Almost surely, 2^40426584672 is an apocalyptic number.

It is an amenable number.

40426584672 is an abundant number, since it is smaller than the sum of its proper divisors (65693200344).

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

40426584672 is a wasteful number, since it uses less digits than its factorization.

40426584672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421110270 (or 421110262 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 48.

The spelling of 40426584672 in words is "forty billion, four hundred twenty-six million, five hundred eighty-four thousand, six hundred seventy-two".