1978250236932 has 192 divisors, whose sum is σ = 5115196735488. Its totient is φ = 592289280000.

The previous prime is 1978250236891. The next prime is 1978250236973. The reversal of 1978250236932 is 2396320528791.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1978250236891) and next prime (1978250236973).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 315456957 + ... + 315463227.

It is an arithmetic number, because the mean of its divisors is an integer number (26641649664).

Almost surely, 2^{1978250236932} is an apocalyptic number.

1978250236932 is a gapful number since it is divisible by the number (12) 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 1978250236932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2557598367744).

1978250236932 is an abundant number, since it is smaller than the sum of its proper divisors (3136946498556).

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

1978250236932 is a wasteful number, since it uses less digits than its factorization.

1978250236932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7010 (or 7008 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 57.

The spelling of 1978250236932 in words is "one trillion, nine hundred seventy-eight billion, two hundred fifty million, two hundred thirty-six thousand, nine hundred thirty-two".