1019402496 has 216 divisors, whose sum is σ = 3484970944. Its totient is φ = 291133440.

The previous prime is 1019402479. The next prime is 1019402533. The reversal of 1019402496 is 6942049101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (216).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1019402496.

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, 434286 + ... + 436626.

Almost surely, 2^1019402496 is an apocalyptic number.

1019402496 is a gapful number since it is divisible by the number (16) 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 1019402496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1742485472).

1019402496 is an abundant number, since it is smaller than the sum of its proper divisors (2465568448).

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

1019402496 is an frugal number, since it uses more digits than its factorization.

1019402496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379 (or 2353 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 1019402496 is about 31928.0831870628. The cubic root of 1019402496 is about 1006.4261152540.

The spelling of 1019402496 in words is "one billion, nineteen million, four hundred two thousand, four hundred ninety-six".