11401634442 has 32 divisors (see below), whose sum is σ = 24881955840. Its totient is φ = 3454254320.

The previous prime is 11401634441. The next prime is 11401634521. The reversal of 11401634442 is 24443610411.

It is not an unprimeable number, because it can be changed into a prime (11401634441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315433 + ... + 349715.

It is an arithmetic number, because the mean of its divisors is an integer number (777561120).

Almost surely, 2^11401634442 is an apocalyptic number.

11401634442 is an abundant number, since it is smaller than the sum of its proper divisors (13480321398).

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

11401634442 is a wasteful number, since it uses less digits than its factorization.

11401634442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39338.

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 11401634442 in words is "eleven billion, four hundred one million, six hundred thirty-four thousand, four hundred forty-two".