403240275516 has 96 divisors (see below), whose sum is σ = 1059623566848. Its totient is φ = 118421487360.

The previous prime is 403240275509. The next prime is 403240275517. The reversal of 403240275516 is 615572042304.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403240275517) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1532175 + ... + 1775961.

It is an arithmetic number, because the mean of its divisors is an integer number (11037745488).

Almost surely, 2^403240275516 is an apocalyptic number.

403240275516 is a gapful number since it is divisible by the number (46) 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 403240275516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (529811783424).

403240275516 is an abundant number, since it is smaller than the sum of its proper divisors (656383291332).

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

403240275516 is a wasteful number, since it uses less digits than its factorization.

403240275516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244291 (or 244289 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 403240275516 in words is "four hundred three billion, two hundred forty million, two hundred seventy-five thousand, five hundred sixteen".