1026601920 has 336 divisors, whose sum is σ = 3782507040. Its totient is φ = 254803968.

The previous prime is 1026601843. The next prime is 1026601951. The reversal of 1026601920 is 291066201.

1026601920 is a `hidden beast` number, since 10 + 26 + 601 + 9 + 20 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3994432 + ... + 3994688.

Almost surely, 2^1026601920 is an apocalyptic number.

1026601920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1026601920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1891253520).

1026601920 is an abundant number, since it is smaller than the sum of its proper divisors (2755905120).

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

1026601920 is a wasteful number, since it uses less digits than its factorization.

1026601920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1026601920 is about 32040.6292073049. The cubic root of 1026601920 is about 1008.7898193722.

The spelling of 1026601920 in words is "one billion, twenty-six million, six hundred one thousand, nine hundred twenty".