40776770743440 has 80 divisors (see below), whose sum is σ = 127567695710400. Its totient is φ = 10774045840896.

The previous prime is 40776770743339. The next prime is 40776770743529. The reversal of 40776770743440 is 4434707767704.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 779346370 + ... + 779398689.

It is an arithmetic number, because the mean of its divisors is an integer number (1594596196380).

Almost surely, 2^{40776770743440} is an apocalyptic number.

40776770743440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40776770743440 is an abundant number, since it is smaller than the sum of its proper divisors (86790924966960).

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

40776770743440 is a wasteful number, since it uses less digits than its factorization.

40776770743440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558745184 (or 1558745178 counting only the distinct ones).

The product of its (nonzero) digits is 77446656, while the sum is 60.

The spelling of 40776770743440 in words is "forty trillion, seven hundred seventy-six billion, seven hundred seventy million, seven hundred forty-three thousand, four hundred forty".