40676999555520 has 168 divisors, whose sum is σ = 139929823889856. Its totient is φ = 10845812570112.

The previous prime is 40676999555513. The next prime is 40676999555537. The reversal of 40676999555520 is 2555599967604.

40676999555520 is a `hidden beast` number, since 4 + 0 + 6 + 7 + 6 + 9 + 9 + 95 + 5 + 5 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

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, 21717369 + ... + 23515911.

It is an arithmetic number, because the mean of its divisors is an integer number (832915618392).

Almost surely, 2^{40676999555520} is an apocalyptic number.

40676999555520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40676999555520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69964911944928).

40676999555520 is an abundant number, since it is smaller than the sum of its proper divisors (99252824334336).

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

40676999555520 is a wasteful number, since it uses less digits than its factorization.

40676999555520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806419 (or 1806406 counting only the distinct ones).

The product of its (nonzero) digits is 918540000, while the sum is 72.

The spelling of 40676999555520 in words is "forty trillion, six hundred seventy-six billion, nine hundred ninety-nine million, five hundred fifty-five thousand, five hundred twenty".