1401031400 has 48 divisors (see below), whose sum is σ = 3260942700. Its totient is φ = 559802880.

The previous prime is 1401031399. The next prime is 1401031409. The reversal of 1401031400 is 41301041.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 376903396 + 1024128004 = 19414^2 + 32002^2 .

It is not an unprimeable number, because it can be changed into a prime (1401031409) 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, 210524 + ... + 217076.

Almost surely, 2^1401031400 is an apocalyptic number.

1401031400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1401031400 is an abundant number, since it is smaller than the sum of its proper divisors (1859911300).

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

1401031400 is a wasteful number, since it uses less digits than its factorization.

1401031400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7638 (or 7629 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1401031400 is about 37430.3539924484. The cubic root of 1401031400 is about 1118.9635926877.

Adding to 1401031400 its reverse (41301041), we get a palindrome (1442332441).

The spelling of 1401031400 in words is "one billion, four hundred one million, thirty-one thousand, four hundred".