1040037691392 has 360 divisors, whose sum is σ = 3584675722320. Its totient is φ = 297147432960.

The previous prime is 1040037691367. The next prime is 1040037691409. The reversal of 1040037691392 is 2931967300401.

1040037691392 is a `hidden beast` number, since 1 + 0 + 400 + 3 + 76 + 91 + 3 + 92 = 666.

It is a congruent number.

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, 21652042 + ... + 21700022.

It is an arithmetic number, because the mean of its divisors is an integer number (9957432562).

Almost surely, 2^{1040037691392} is an apocalyptic number.

1040037691392 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 1040037691392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1792337861160).

1040037691392 is an abundant number, since it is smaller than the sum of its proper divisors (2544638030928).

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

1040037691392 is an frugal number, since it uses more digits than its factorization.

1040037691392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48032 (or 47993 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The spelling of 1040037691392 in words is "one trillion, forty billion, thirty-seven million, six hundred ninety-one thousand, three hundred ninety-two".