11407944534 has 32 divisors (see below), whose sum is σ = 26078858496. Its totient is φ = 3258968160.

The previous prime is 11407944523. The next prime is 11407944539. The reversal of 11407944534 is 43544970411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11407944539) 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, 409324 + ... + 436304.

It is an arithmetic number, because the mean of its divisors is an integer number (814964328).

Almost surely, 2^11407944534 is an apocalyptic number.

11407944534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11407944534 is an abundant number, since it is smaller than the sum of its proper divisors (14670913962).

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

11407944534 is a wasteful number, since it uses less digits than its factorization.

11407944534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37060.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 11407944534 in words is "eleven billion, four hundred seven million, nine hundred forty-four thousand, five hundred thirty-four".