6244425400542 has 32 divisors (see below), whose sum is σ = 14274700472832. Its totient is φ = 1783905526944.

The previous prime is 6244425400529. The next prime is 6244425400561. The reversal of 6244425400542 is 2450045244426.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 6244425400494 and 6244425400503.

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, 8649493 + ... + 9343584.

It is an arithmetic number, because the mean of its divisors is an integer number (446084389776).

Almost surely, 2^{6244425400542} is an apocalyptic number.

6244425400542 is an abundant number, since it is smaller than the sum of its proper divisors (8030275072290).

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

6244425400542 is a wasteful number, since it uses less digits than its factorization.

6244425400542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18001352.

The product of its (nonzero) digits is 1228800, while the sum is 42.

The spelling of 6244425400542 in words is "six trillion, two hundred forty-four billion, four hundred twenty-five million, four hundred thousand, five hundred forty-two".