247801152940 has 24 divisors (see below), whose sum is σ = 567689914512. Its totient is φ = 90109510080.

The previous prime is 247801152899. The next prime is 247801152959. The reversal of 247801152940 is 49251108742.

It is a super-2 number, since 2×247801152940² (a number of 24 digits) contains 22 as substring.

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, 563184219 + ... + 563184658.

It is an arithmetic number, because the mean of its divisors is an integer number (23653746438).

Almost surely, 2^247801152940 is an apocalyptic number.

247801152940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

247801152940 is an abundant number, since it is smaller than the sum of its proper divisors (319888761572).

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

247801152940 is a wasteful number, since it uses less digits than its factorization.

247801152940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126368897 (or 1126368895 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 247801152940 in words is "two hundred forty-seven billion, eight hundred one million, one hundred fifty-two thousand, nine hundred forty".