403525265472 has 336 divisors, whose sum is σ = 1370824296192. Its totient is φ = 111083581440.

The previous prime is 403525265443. The next prime is 403525265513. The reversal of 403525265472 is 274562525304.

403525265472 is a `hidden beast` number, since 4 + 0 + 3 + 5 + 2 + 526 + 54 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15352822 + ... + 15379082.

Almost surely, 2^403525265472 is an apocalyptic number.

403525265472 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 403525265472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (685412148096).

403525265472 is an abundant number, since it is smaller than the sum of its proper divisors (967299030720).

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

403525265472 is a wasteful number, since it uses less digits than its factorization.

403525265472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26426 (or 26413 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 45.

The spelling of 403525265472 in words is "four hundred three billion, five hundred twenty-five million, two hundred sixty-five thousand, four hundred seventy-two".