6240426204642 has 32 divisors (see below), whose sum is σ = 14265838454400. Its totient is φ = 1782728024448.

The previous prime is 6240426204631. The next prime is 6240426204697. The reversal of 6240426204642 is 2464026240426.

It is a happy number.

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 = 6240426204594 and 6240426204603.

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, 10151667 + ... + 10748822.

It is an arithmetic number, because the mean of its divisors is an integer number (445807451700).

Almost surely, 2^{6240426204642} is an apocalyptic number.

6240426204642 is an abundant number, since it is smaller than the sum of its proper divisors (8025412249758).

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

6240426204642 is a wasteful number, since it uses less digits than its factorization.

6240426204642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20907610.

The product of its (nonzero) digits is 884736, while the sum is 42.

The spelling of 6240426204642 in words is "six trillion, two hundred forty billion, four hundred twenty-six million, two hundred four thousand, six hundred forty-two".