40377417547451 has 4 divisors (see below), whose sum is σ = 40441407116304. Its totient is φ = 40313427978600.

The previous prime is 40377417547367. The next prime is 40377417547549. The reversal of 40377417547451 is 15474571477304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40377417547451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40377417547751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31994783480 + ... + 31994784741.

It is an arithmetic number, because the mean of its divisors is an integer number (10110351779076).

Almost surely, 2^{40377417547451} is an apocalyptic number.

40377417547451 is a deficient number, since it is larger than the sum of its proper divisors (63989568853).

40377417547451 is an equidigital number, since it uses as much as digits as its factorization.

40377417547451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63989568852.

The product of its (nonzero) digits is 46099200, while the sum is 59.

The spelling of 40377417547451 in words is "forty trillion, three hundred seventy-seven billion, four hundred seventeen million, five hundred forty-seven thousand, four hundred fifty-one".