1003400244240 has 160 divisors (see below), whose sum is σ = 3254886602496. Its totient is φ = 255429457920.

The previous prime is 1003400244193. The next prime is 1003400244263. The reversal of 1003400244240 is 424420043001.

It is a happy number.

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 1003400244240.

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, 595356 + ... + 1536635.

Almost surely, 2^{1003400244240} is an apocalyptic number.

1003400244240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003400244240 is an abundant number, since it is smaller than the sum of its proper divisors (2251486358256).

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

1003400244240 is a wasteful number, since it uses less digits than its factorization.

1003400244240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132097 (or 2132091 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 1003400244240 its reverse (424420043001), we get a palindrome (1427820287241).

The spelling of 1003400244240 in words is "one trillion, three billion, four hundred million, two hundred forty-four thousand, two hundred forty".