2420839517890 has 48 divisors (see below), whose sum is σ = 4469566978944. Its totient is φ = 944044640640.

The previous prime is 2420839517783. The next prime is 2420839517917. The reversal of 2420839517890 is 987159380242.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23870029 + ... + 23971231.

It is an arithmetic number, because the mean of its divisors is an integer number (93115978728).

Almost surely, 2^{2420839517890} is an apocalyptic number.

2420839517890 is a deficient number, since it is larger than the sum of its proper divisors (2048727461054).

2420839517890 is a wasteful number, since it uses less digits than its factorization.

2420839517890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102715 (or 102674 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 58.

The spelling of 2420839517890 in words is "two trillion, four hundred twenty billion, eight hundred thirty-nine million, five hundred seventeen thousand, eight hundred ninety".