40627281408 has 120 divisors (see below), whose sum is σ = 125904644712. Its totient is φ = 11607773184.

The previous prime is 40627281379. The next prime is 40627281439. The reversal of 40627281408 is 80418272604.

It is a super-3 number, since 3×40627281408³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 40627281408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194635 + ... + 345162.

Almost surely, 2^40627281408 is an apocalyptic number.

40627281408 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40627281408 is an abundant number, since it is smaller than the sum of its proper divisors (85277363304).

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

40627281408 is an equidigital number, since it uses as much as digits as its factorization.

40627281408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539832 (or 539809 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 42.

The spelling of 40627281408 in words is "forty billion, six hundred twenty-seven million, two hundred eighty-one thousand, four hundred eight".