1023819534940 has 12 divisors (see below), whose sum is σ = 2150021023416. Its totient is φ = 409527813968.

The previous prime is 1023819534937. The next prime is 1023819535051. The reversal of 1023819534940 is 494359183201.

It is a super-3 number, since 3×1023819534940³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25595488354 + ... + 25595488393.

It is an arithmetic number, because the mean of its divisors is an integer number (179168418618).

Almost surely, 2^{1023819534940} is an apocalyptic number.

1023819534940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023819534940 is an abundant number, since it is smaller than the sum of its proper divisors (1126201488476).

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

1023819534940 is a wasteful number, since it uses less digits than its factorization.

1023819534940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51190976756 (or 51190976754 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 1023819534940 in words is "one trillion, twenty-three billion, eight hundred nineteen million, five hundred thirty-four thousand, nine hundred forty".