1795091999400 has 216 divisors, whose sum is σ = 7012765364670. Its totient is φ = 410306722560.

The previous prime is 1795091999387. The next prime is 1795091999401. The reversal of 1795091999400 is 49991905971.

1795091999400 is a `hidden beast` number, since 1 + 7 + 9 + 50 + 91 + 9 + 99 + 400 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 968952797316 + 826139202084 = 984354^2 + 908922^2 .

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (1795091999401) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 10088059 + ... + 10264458.

Almost surely, 2^{1795091999400} is an apocalyptic number.

1795091999400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1795091999400 is an abundant number, since it is smaller than the sum of its proper divisors (5217673365270).

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

1795091999400 is a wasteful number, since it uses less digits than its factorization.

1795091999400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20352553 (or 20352534 counting only the distinct ones).

The product of its (nonzero) digits is 8266860, while the sum is 63.

The spelling of 1795091999400 in words is "one trillion, seven hundred ninety-five billion, ninety-one million, nine hundred ninety-nine thousand, four hundred".