102660541240 has 32 divisors (see below), whose sum is σ = 236620031760. Its totient is φ = 40062649600.

The previous prime is 102660541231. The next prime is 102660541259. The reversal of 102660541240 is 42145066201.

It is a happy number.

It is a congruent number.

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, 31297306 + ... + 31300585.

Almost surely, 2^102660541240 is an apocalyptic number.

102660541240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102660541240 is an abundant number, since it is smaller than the sum of its proper divisors (133959490520).

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

102660541240 is a wasteful number, since it uses less digits than its factorization.

102660541240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62597943 (or 62597939 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 102660541240 in words is "one hundred two billion, six hundred sixty million, five hundred forty-one thousand, two hundred forty".