297543926940 has 48 divisors (see below), whose sum is σ = 897209382048. Its totient is φ = 73241581824.

The previous prime is 297543926923. The next prime is 297543926951. The reversal of 297543926940 is 49629345792.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190732507 + ... + 190734066.

It is an arithmetic number, because the mean of its divisors is an integer number (18691862126).

Almost surely, 2^297543926940 is an apocalyptic number.

297543926940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

297543926940 is an abundant number, since it is smaller than the sum of its proper divisors (599665455108).

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

297543926940 is a wasteful number, since it uses less digits than its factorization.

297543926940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381466598 (or 381466596 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 60.

The spelling of 297543926940 in words is "two hundred ninety-seven billion, five hundred forty-three million, nine hundred twenty-six thousand, nine hundred forty".