157154412040 has 64 divisors (see below), whose sum is σ = 363939246720. Its totient is φ = 61037760000.

The previous prime is 157154412007. The next prime is 157154412047. The reversal of 157154412040 is 40214451751.

It is a junction number, because it is equal to n+sod(n) for n = 157154411987 and 157154412005.

It is not an unprimeable number, because it can be changed into a prime (157154412047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118965 + ... + 573115.

It is an arithmetic number, because the mean of its divisors is an integer number (5686550730).

Almost surely, 2^157154412040 is an apocalyptic number.

157154412040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157154412040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181969623360).

157154412040 is an abundant number, since it is smaller than the sum of its proper divisors (206784834680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157154412040 is a wasteful number, since it uses less digits than its factorization.

157154412040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454414 (or 454410 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

Adding to 157154412040 its reverse (40214451751), we get a palindrome (197368863791).

The spelling of 157154412040 in words is "one hundred fifty-seven billion, one hundred fifty-four million, four hundred twelve thousand, forty".