40157154305 has 8 divisors (see below), whose sum is σ = 48978562344. Its totient is φ = 31599072000.

The previous prime is 40157154277. The next prime is 40157154319. The reversal of 40157154305 is 50345175104.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1992015424 + 38165138881 = 44632^2 + 195359^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-40157154305 is a prime.

It is a super-2 number, since 2×40157154305² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65831096 + ... + 65831705.

It is an arithmetic number, because the mean of its divisors is an integer number (6122320293).

Almost surely, 2^40157154305 is an apocalyptic number.

It is an amenable number.

40157154305 is a deficient number, since it is larger than the sum of its proper divisors (8821408039).

40157154305 is a wasteful number, since it uses less digits than its factorization.

40157154305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131662867.

The product of its (nonzero) digits is 42000, while the sum is 35.

The spelling of 40157154305 in words is "forty billion, one hundred fifty-seven million, one hundred fifty-four thousand, three hundred five".