11401423689240 has 384 divisors, whose sum is σ = 42370135516800. Its totient is φ = 2634051502080.

The previous prime is 11401423689217. The next prime is 11401423689277. The reversal of 11401423689240 is 4298632410411.

11401423689240 is a `hidden beast` number, since 1 + 1 + 4 + 0 + 1 + 42 + 368 + 9 + 240 = 666.

11401423689240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 95 ways as a sum of consecutive naturals, for example, 28362450 + ... + 28761630.

It is an arithmetic number, because the mean of its divisors is an integer number (110338894575).

Almost surely, 2^{11401423689240} is an apocalyptic number.

11401423689240 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 11401423689240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21185067758400).

11401423689240 is an abundant number, since it is smaller than the sum of its proper divisors (30968711827560).

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

11401423689240 is a wasteful number, since it uses less digits than its factorization.

11401423689240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399587 (or 399580 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 11401423689240 in words is "eleven trillion, four hundred one billion, four hundred twenty-three million, six hundred eighty-nine thousand, two hundred forty".