10401400432 has 40 divisors (see below), whose sum is σ = 21260085200. Its totient is φ = 4916132352.

The previous prime is 10401400409. The next prime is 10401400433. The reversal of 10401400432 is 23400410401.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10401400433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101494 + ... + 176362.

It is an arithmetic number, because the mean of its divisors is an integer number (531502130).

Almost surely, 2^10401400432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10401400432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10630042600).

10401400432 is an abundant number, since it is smaller than the sum of its proper divisors (10858684768).

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

10401400432 is a wasteful number, since it uses less digits than its factorization.

10401400432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75353 (or 75347 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 10401400432 its reverse (23400410401), we get a palindrome (33801810833).

The spelling of 10401400432 in words is "ten billion, four hundred one million, four hundred thousand, four hundred thirty-two".