40401442377 has 48 divisors (see below), whose sum is σ = 59647311360. Its totient is φ = 26346662784.

The previous prime is 40401442369. The next prime is 40401442397. The reversal of 40401442377 is 77324410404.

It is a happy number.

40401442377 is a `hidden beast` number, since 404 + 0 + 14 + 4 + 237 + 7 = 666.

It is not a de Polignac number, because 40401442377 - 2³ = 40401442369 is a prime.

It is a super-2 number, since 2×40401442377² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40401442397) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61870183 + ... + 61870835.

It is an arithmetic number, because the mean of its divisors is an integer number (1242652320).

Almost surely, 2^40401442377 is an apocalyptic number.

It is an amenable number.

40401442377 is a deficient number, since it is larger than the sum of its proper divisors (19245868983).

40401442377 is a wasteful number, since it uses less digits than its factorization.

40401442377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414 (or 1411 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

The spelling of 40401442377 in words is "forty billion, four hundred one million, four hundred forty-two thousand, three hundred seventy-seven".