1403695487472 has 40 divisors (see below), whose sum is σ = 3710543890944. Its totient is φ = 457017134784.

The previous prime is 1403695487471. The next prime is 1403695487489. The reversal of 1403695487472 is 2747845963041.

It is a super-2 number, since 2×1403695487472² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403695487471) 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, 340040448 + ... + 340044575.

It is a 1-persistent number, because it is pandigital, but 2⋅1403695487472 = 2807390974944 is not.

Almost surely, 2^{1403695487472} is an apocalyptic number.

1403695487472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1403695487472 is an abundant number, since it is smaller than the sum of its proper divisors (2306848403472).

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

1403695487472 is a wasteful number, since it uses less digits than its factorization.

1403695487472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680085077 (or 680085071 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 60.

The spelling of 1403695487472 in words is "one trillion, four hundred three billion, six hundred ninety-five million, four hundred eighty-seven thousand, four hundred seventy-two".