1942746512 has 80 divisors (see below), whose sum is σ = 4446144000. Its totient is φ = 821882880.

The previous prime is 1942746503. The next prime is 1942746581. The reversal of 1942746512 is 2156472491.

It is a super-2 number, since 2×1942746512² = 7548528019776332288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1942746512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 431312 + ... + 435792.

It is an arithmetic number, because the mean of its divisors is an integer number (55576800).

Almost surely, 2^1942746512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1942746512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2223072000).

1942746512 is an abundant number, since it is smaller than the sum of its proper divisors (2503397488).

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

1942746512 is an equidigital number, since it uses as much as digits as its factorization.

1942746512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4589 (or 4569 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 1942746512 is about 44076.5982353448. The cubic root of 1942746512 is about 1247.7819892304.

The spelling of 1942746512 in words is "one billion, nine hundred forty-two million, seven hundred forty-six thousand, five hundred twelve".