158377940020 has 24 divisors (see below), whose sum is σ = 332825830344. Its totient is φ = 63306955776.

The previous prime is 158377940011. The next prime is 158377940041. The reversal of 158377940020 is 20049773851.

It can be written as a sum of positive squares in 4 ways, for example, as 42586100496 + 115791839524 = 206364^2 + 340282^2 .

It is a super-3 number, since 3×158377940020³ (a number of 35 digits) contains 333 as substring.

It is a congruent 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, 2734389 + ... + 2791708.

It is an arithmetic number, because the mean of its divisors is an integer number (13867742931).

Almost surely, 2^158377940020 is an apocalyptic number.

158377940020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158377940020 is an abundant number, since it is smaller than the sum of its proper divisors (174447890324).

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

158377940020 is a wasteful number, since it uses less digits than its factorization.

158377940020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5527539 (or 5527537 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 158377940020 in words is "one hundred fifty-eight billion, three hundred seventy-seven million, nine hundred forty thousand, twenty".