40748176178369 has 4 divisors (see below), whose sum is σ = 44452555830960. Its totient is φ = 37043796525780.

The previous prime is 40748176178357. The next prime is 40748176178371. The reversal of 40748176178369 is 96387167184704.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-40748176178369 is a prime.

It is a super-2 number, since 2×40748176178369² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40748176178569) 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, 1852189826279 + ... + 1852189826300.

It is an arithmetic number, because the mean of its divisors is an integer number (11113138957740).

Almost surely, 2^{40748176178369} is an apocalyptic number.

It is an amenable number.

40748176178369 is a deficient number, since it is larger than the sum of its proper divisors (3704379652591).

40748176178369 is a wasteful number, since it uses less digits than its factorization.

40748176178369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3704379652590.

The product of its (nonzero) digits is 341397504, while the sum is 71.

The spelling of 40748176178369 in words is "forty trillion, seven hundred forty-eight billion, one hundred seventy-six million, one hundred seventy-eight thousand, three hundred sixty-nine".