40821210689472 has 168 divisors, whose sum is σ = 124263670884912. Its totient is φ = 12767962521600.

The previous prime is 40821210689453. The next prime is 40821210689507. The reversal of 40821210689472 is 27498601212804.

40821210689472 is a `hidden beast` number, since 4 + 0 + 82 + 1 + 2 + 10 + 6 + 89 + 472 = 666.

It is a super-2 number, since 2×40821210689472² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3056179 + ... + 9538482.

Almost surely, 2^{40821210689472} is an apocalyptic number.

It is an amenable number.

40821210689472 is an abundant number, since it is smaller than the sum of its proper divisors (83442460195440).

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

40821210689472 is a wasteful number, since it uses less digits than its factorization.

40821210689472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12595027 (or 12595014 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 40821210689472 in words is "forty trillion, eight hundred twenty-one billion, two hundred ten million, six hundred eighty-nine thousand, four hundred seventy-two".