1234394763420 has 192 divisors, whose sum is σ = 4438867507200. Its totient is φ = 249120064512.

The previous prime is 1234394763383. The next prime is 1234394763457. The reversal of 1234394763420 is 243674934321.

It is an interprime number because it is at equal distance from previous prime (1234394763383) and next prime (1234394763457).

It is a self number, because there is not a number n which added to its sum of digits gives 1234394763420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4789195 + ... + 5040354.

It is an arithmetic number, because the mean of its divisors is an integer number (23119101600).

Almost surely, 2^{1234394763420} is an apocalyptic number.

1234394763420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1234394763420 is an abundant number, since it is smaller than the sum of its proper divisors (3204472743780).

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

1234394763420 is a wasteful number, since it uses less digits than its factorization.

1234394763420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9829604 (or 9829602 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 48.

The spelling of 1234394763420 in words is "one trillion, two hundred thirty-four billion, three hundred ninety-four million, seven hundred sixty-three thousand, four hundred twenty".