157340726510020 has 12 divisors (see below), whose sum is σ = 330415525671084. Its totient is φ = 62936290604000.

The previous prime is 157340726509979. The next prime is 157340726510029. The reversal of 157340726510020 is 20015627043751.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18203414770116 + 139137311739904 = 4266546^2 + 11795648^2 .

It is a super-2 number, since 2×157340726510020² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157340726510029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3933518162731 + ... + 3933518162770.

It is an arithmetic number, because the mean of its divisors is an integer number (27534627139257).

Almost surely, 2^{157340726510020} is an apocalyptic number.

157340726510020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157340726510020 is an abundant number, since it is smaller than the sum of its proper divisors (173074799161064).

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

157340726510020 is a wasteful number, since it uses less digits than its factorization.

157340726510020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7867036325510 (or 7867036325508 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 157340726510020 in words is "one hundred fifty-seven trillion, three hundred forty billion, seven hundred twenty-six million, five hundred ten thousand, twenty".