40756077720 has 128 divisors (see below), whose sum is σ = 136383134400. Its totient is φ = 10825924608.

The previous prime is 40756077709. The next prime is 40756077749. The reversal of 40756077720 is 2777065704.

It is a super-2 number, since 2×40756077720² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204142 + ... + 350978.

Almost surely, 2^40756077720 is an apocalyptic number.

40756077720 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 40756077720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68191567200).

40756077720 is an abundant number, since it is smaller than the sum of its proper divisors (95627056680).

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

40756077720 is a wasteful number, since it uses less digits than its factorization.

40756077720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147114 (or 147104 counting only the distinct ones).

The product of its (nonzero) digits is 576240, while the sum is 45.

The spelling of 40756077720 in words is "forty billion, seven hundred fifty-six million, seventy-seven thousand, seven hundred twenty".