807749053542 has 48 divisors (see below), whose sum is σ = 1807394709120. Its totient is φ = 260446492800.

The previous prime is 807749053523. The next prime is 807749053561. The reversal of 807749053542 is 245350947708.

It is a happy number.

807749053542 is a `hidden beast` number, since 8 + 0 + 7 + 7 + 4 + 90 + 5 + 3 + 542 = 666.

It is an interprime number because it is at equal distance from previous prime (807749053523) and next prime (807749053561).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 913434 + ... + 1565202.

It is an arithmetic number, because the mean of its divisors is an integer number (37654056440).

Almost surely, 2^807749053542 is an apocalyptic number.

807749053542 is an abundant number, since it is smaller than the sum of its proper divisors (999645655578).

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

807749053542 is a wasteful number, since it uses less digits than its factorization.

807749053542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654029 (or 654026 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 54.

The spelling of 807749053542 in words is "eight hundred seven billion, seven hundred forty-nine million, fifty-three thousand, five hundred forty-two".