11402040 has 64 divisors (see below), whose sum is σ = 36842400. Its totient is φ = 2806272.

The previous prime is 11402023. The next prime is 11402047. The reversal of 11402040 is 4020411.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11402047) 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, 2095 + ... + 5214.

Almost surely, 2^11402040 is an apocalyptic number.

11402040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11402040 is an abundant number, since it is smaller than the sum of its proper divisors (25440360).

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

11402040 is a wasteful number, since it uses less digits than its factorization.

11402040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7336 (or 7332 counting only the distinct ones).

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

The square root of 11402040 is about 3376.6906876408. The cubic root of 11402040 is about 225.0751354007.

Adding to 11402040 its reverse (4020411), we get a palindrome (15422451).

It can be divided in two parts, 1 and 1402040, that added together give a palindrome (1402041).

The spelling of 11402040 in words is "eleven million, four hundred two thousand, forty".