1438310029720 has 64 divisors (see below), whose sum is σ = 3407553036000. Its totient is φ = 544879116288.

The previous prime is 1438310029699. The next prime is 1438310029789. The reversal of 1438310029720 is 279200138341.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 2245794 + ... + 2814286.

Almost surely, 2^{1438310029720} is an apocalyptic number.

1438310029720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1438310029720 is an abundant number, since it is smaller than the sum of its proper divisors (1969243006280).

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

1438310029720 is a wasteful number, since it uses less digits than its factorization.

1438310029720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571852 (or 571848 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 1438310029720 in words is "one trillion, four hundred thirty-eight billion, three hundred ten million, twenty-nine thousand, seven hundred twenty".