4431201400440 has 96 divisors (see below), whose sum is σ = 14574915547920. Its totient is φ = 1167416907264.

The previous prime is 4431201400427. The next prime is 4431201400463. The reversal of 4431201400440 is 440041021344.

It is a super-2 number, since 2×4431201400440² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74120077 + ... + 74179836.

Almost surely, 2^{4431201400440} is an apocalyptic number.

4431201400440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4431201400440 is an abundant number, since it is smaller than the sum of its proper divisors (10143714147480).

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

4431201400440 is a wasteful number, since it uses less digits than its factorization.

4431201400440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148300013 (or 148300006 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 4431201400440 its reverse (440041021344), we get a palindrome (4871242421784).

The spelling of 4431201400440 in words is "four trillion, four hundred thirty-one billion, two hundred one million, four hundred thousand, four hundred forty".