403560451261 has 36 divisors (see below), whose sum is σ = 455367082716. Its totient is φ = 357251706240.

The previous prime is 403560451223. The next prime is 403560451279. The reversal of 403560451261 is 162154065304.

It can be written as a sum of positive squares in 2 ways, for example, as 320050432900 + 83510018361 = 565730^2 + 288981^2 .

It is not a de Polignac number, because 403560451261 - 2²¹ = 403558354109 is a prime.

It is a super-2 number, since 2×403560451261² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 403560451261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403560451211) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 123903945 + ... + 123907201.

It is an arithmetic number, because the mean of its divisors is an integer number (12649085631).

Almost surely, 2^403560451261 is an apocalyptic number.

It is an amenable number.

403560451261 is a deficient number, since it is larger than the sum of its proper divisors (51806631455).

403560451261 is a wasteful number, since it uses less digits than its factorization.

403560451261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3610 (or 3460 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 403560451261 in words is "four hundred three billion, five hundred sixty million, four hundred fifty-one thousand, two hundred sixty-one".