11374755840 has 816 divisors, whose sum is σ = 49072982400. Its totient is φ = 2378170368.

The previous prime is 11374755839. The next prime is 11374755857. The reversal of 11374755840 is 4855747311.

11374755840 is a `hidden beast` number, since 1 + 13 + 7 + 47 + 558 + 40 = 666.

It is a super-2 number, since 2×11374755840² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 392232946 + ... + 392232974.

Almost surely, 2^11374755840 is an apocalyptic number.

11374755840 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 11374755840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24536491200).

11374755840 is an abundant number, since it is smaller than the sum of its proper divisors (37698226560).

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

11374755840 is an equidigital number, since it uses as much as digits as its factorization.

11374755840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The spelling of 11374755840 in words is "eleven billion, three hundred seventy-four million, seven hundred fifty-five thousand, eight hundred forty".