1426779003870 has 64 divisors (see below), whose sum is σ = 4150629838080. Its totient is φ = 345885818400.

The previous prime is 1426779003869. The next prime is 1426779003889. The reversal of 1426779003870 is 783009776241.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 240195516 + ... + 240201455.

It is an arithmetic number, because the mean of its divisors is an integer number (64853591220).

Almost surely, 2^{1426779003870} is an apocalyptic number.

1426779003870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1426779003870 is an abundant number, since it is smaller than the sum of its proper divisors (2723850834210).

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

1426779003870 is a wasteful number, since it uses less digits than its factorization.

1426779003870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480396998 (or 480396992 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 54.

The spelling of 1426779003870 in words is "one trillion, four hundred twenty-six billion, seven hundred seventy-nine million, three thousand, eight hundred seventy".