158534297040 has 80 divisors (see below), whose sum is σ = 561664372608. Its totient is φ = 36236410368.

The previous prime is 158534297039. The next prime is 158534297059. The reversal of 158534297040 is 40792435851.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47181147 + ... + 47184506.

Almost surely, 2^158534297040 is an apocalyptic number.

158534297040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158534297040 is an abundant number, since it is smaller than the sum of its proper divisors (403130075568).

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

158534297040 is a wasteful number, since it uses less digits than its factorization.

158534297040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94365676 (or 94365670 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 158534297040 in words is "one hundred fifty-eight billion, five hundred thirty-four million, two hundred ninety-seven thousand, forty".