40377677738 has 16 divisors (see below), whose sum is σ = 66917482560. Its totient is φ = 18175118016.

The previous prime is 40377677737. The next prime is 40377677749. The reversal of 40377677738 is 83777677304.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40377677731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25816148 + ... + 25817711.

It is an arithmetic number, because the mean of its divisors is an integer number (4182342660).

Almost surely, 2^40377677738 is an apocalyptic number.

40377677738 is a deficient number, since it is larger than the sum of its proper divisors (26539804822).

40377677738 is a wasteful number, since it uses less digits than its factorization.

40377677738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51633901.

The product of its (nonzero) digits is 29042496, while the sum is 59.

The spelling of 40377677738 in words is "forty billion, three hundred seventy-seven million, six hundred seventy-seven thousand, seven hundred thirty-eight".