11400402 has 24 divisors (see below), whose sum is σ = 24691824. Its totient is φ = 3507504.

The previous prime is 11400401. The next prime is 11400407. The reversal of 11400402 is 20400411.

It is not an unprimeable number, because it can be changed into a prime (11400401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4608 + ... + 6635.

It is an arithmetic number, because the mean of its divisors is an integer number (1028826).

Almost surely, 2^11400402 is an apocalyptic number.

11400402 is an abundant number, since it is smaller than the sum of its proper divisors (13291422).

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

11400402 is a wasteful number, since it uses less digits than its factorization.

11400402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11274 (or 11261 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 11400402 is about 3376.4481337642. The cubic root of 11400402 is about 225.0643568988.

Adding to 11400402 its reverse (20400411), we get a palindrome (31800813).

Subtracting 11400402 from its reverse (20400411), we obtain a palindrome (9000009).

The spelling of 11400402 in words is "eleven million, four hundred thousand, four hundred two".