11374990380 has 576 divisors, whose sum is σ = 40683202560. Its totient is φ = 2649314304.

The previous prime is 11374990369. The next prime is 11374990397. The reversal of 11374990380 is 8309947311.

11374990380 is a `hidden beast` number, since 113 + 74 + 9 + 90 + 380 = 666.

It is a super-2 number, since 2×11374990380² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 143987181 + ... + 143987259.

It is an arithmetic number, because the mean of its divisors is an integer number (70630560).

Almost surely, 2^11374990380 is an apocalyptic number.

11374990380 is a gapful number since it is divisible by the number (10) 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 11374990380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20341601280).

11374990380 is an abundant number, since it is smaller than the sum of its proper divisors (29308212180).

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

11374990380 is a wasteful number, since it uses less digits than its factorization.

11374990380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 11374990380 in words is "eleven billion, three hundred seventy-four million, nine hundred ninety thousand, three hundred eighty".