40821001377 has 8 divisors (see below), whose sum is σ = 58614771264. Its totient is φ = 25120616208.

The previous prime is 40821001363. The next prime is 40821001399. The reversal of 40821001377 is 77310012804.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40821001377 - 2⁶ = 40821001313 is a prime.

It is a super-2 number, since 2×40821001377² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40821001337) 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, 523346133 + ... + 523346210.

It is an arithmetic number, because the mean of its divisors is an integer number (7326846408).

Almost surely, 2^40821001377 is an apocalyptic number.

It is an amenable number.

40821001377 is a deficient number, since it is larger than the sum of its proper divisors (17793769887).

40821001377 is a wasteful number, since it uses less digits than its factorization.

40821001377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046692359.

The product of its (nonzero) digits is 9408, while the sum is 33.

The spelling of 40821001377 in words is "forty billion, eight hundred twenty-one million, one thousand, three hundred seventy-seven".