400101430 has 32 divisors (see below), whose sum is σ = 762796800. Its totient is φ = 150675552.

The previous prime is 400101389. The next prime is 400101433. The reversal of 400101430 is 34101004.

It is a self number, because there is not a number n which added to its sum of digits gives 400101430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400101433) 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, 24511 + ... + 37429.

It is an arithmetic number, because the mean of its divisors is an integer number (23837400).

Almost surely, 2^400101430 is an apocalyptic number.

400101430 is a deficient number, since it is larger than the sum of its proper divisors (362695370).

400101430 is a wasteful number, since it uses less digits than its factorization.

400101430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13108.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 400101430 is about 20002.5355892697. The cubic root of 400101430 is about 736.8685730172.

Adding to 400101430 its reverse (34101004), we get a palindrome (434202434).

The spelling of 400101430 in words is "four hundred million, one hundred one thousand, four hundred thirty".