11254640340 has 96 divisors (see below), whose sum is σ = 31924617984. Its totient is φ = 2962206720.

The previous prime is 11254640333. The next prime is 11254640413. The reversal of 11254640340 is 4304645211.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 11254640298 and 11254640307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2308105 + ... + 2312975.

It is an arithmetic number, because the mean of its divisors is an integer number (332548104).

Almost surely, 2^11254640340 is an apocalyptic number.

11254640340 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 11254640340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15962308992).

11254640340 is an abundant number, since it is smaller than the sum of its proper divisors (20669977644).

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

11254640340 is a wasteful number, since it uses less digits than its factorization.

11254640340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5377 (or 5375 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 11254640340 in words is "eleven billion, two hundred fifty-four million, six hundred forty thousand, three hundred forty".