102240311400240 has 160 divisors (see below), whose sum is σ = 361403309082816. Its totient is φ = 23686443171840.

The previous prime is 102240311400239. The next prime is 102240311400287. The reversal of 102240311400240 is 42004113042201.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 102240311400240.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 963750801 + ... + 963856880.

Almost surely, 2^{102240311400240} is an apocalyptic number.

102240311400240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102240311400240 is an abundant number, since it is smaller than the sum of its proper divisors (259162997682576).

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

102240311400240 is a wasteful number, since it uses less digits than its factorization.

102240311400240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927607727 (or 1927607721 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 102240311400240 its reverse (42004113042201), we get a palindrome (144244424442441).

The spelling of 102240311400240 in words is "one hundred two trillion, two hundred forty billion, three hundred eleven million, four hundred thousand, two hundred forty".