1400214421431 has 72 divisors (see below), whose sum is σ = 2400388642080. Its totient is φ = 783959589504.

The previous prime is 1400214421421. The next prime is 1400214421471. The reversal of 1400214421431 is 1341244120041.

1400214421431 is a `hidden beast` number, since 1 + 400 + 2 + 1 + 44 + 214 + 3 + 1 = 666.

It is not a de Polignac number, because 1400214421431 - 2¹³ = 1400214413239 is a prime.

It is a super-2 number, since 2×1400214421431² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1400214421395 and 1400214421404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400214421421) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 17325825 + ... + 17406453.

It is an arithmetic number, because the mean of its divisors is an integer number (33338731140).

Almost surely, 2^{1400214421431} is an apocalyptic number.

1400214421431 is a deficient number, since it is larger than the sum of its proper divisors (1000174220649).

1400214421431 is a wasteful number, since it uses less digits than its factorization.

1400214421431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81445 (or 81435 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 1400214421431 its reverse (1341244120041), we get a palindrome (2741458541472).

The spelling of 1400214421431 in words is "one trillion, four hundred billion, two hundred fourteen million, four hundred twenty-one thousand, four hundred thirty-one".