1097940231480 has 64 divisors (see below), whose sum is σ = 3333505311360. Its totient is φ = 289256540288.

The previous prime is 1097940231457. The next prime is 1097940231481. The reversal of 1097940231480 is 841320497901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097940231481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55107522 + ... + 55127441.

It is an arithmetic number, because the mean of its divisors is an integer number (52086020490).

Almost surely, 2^{1097940231480} is an apocalyptic number.

1097940231480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1097940231480 is an abundant number, since it is smaller than the sum of its proper divisors (2235565079880).

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

1097940231480 is a wasteful number, since it uses less digits than its factorization.

1097940231480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110235060 (or 110235056 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 1097940231480 in words is "one trillion, ninety-seven billion, nine hundred forty million, two hundred thirty-one thousand, four hundred eighty".