40277619792 has 160 divisors (see below), whose sum is σ = 116476473600. Its totient is φ = 13325893632.

The previous prime is 40277619743. The next prime is 40277619821. The reversal of 40277619792 is 29791677204.

40277619792 is a `hidden beast` number, since 402 + 7 + 7 + 61 + 97 + 92 = 666.

It is a super-2 number, since 2×40277619792² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 45408373 + ... + 45409259.

It is an arithmetic number, because the mean of its divisors is an integer number (727977960).

Almost surely, 2^40277619792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40277619792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58238236800).

40277619792 is an abundant number, since it is smaller than the sum of its proper divisors (76198853808).

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

40277619792 is a wasteful number, since it uses less digits than its factorization.

40277619792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570 (or 1558 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 54.

The spelling of 40277619792 in words is "forty billion, two hundred seventy-seven million, six hundred nineteen thousand, seven hundred ninety-two".