403015042254 has 128 divisors (see below), whose sum is σ = 917533163520. Its totient is φ = 116905449600.

The previous prime is 403015042207. The next prime is 403015042259. The reversal of 403015042254 is 452240510304.

It is a super-2 number, since 2×403015042254² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403015042259) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 241470132 + ... + 241471800.

It is an arithmetic number, because the mean of its divisors is an integer number (7168227840).

Almost surely, 2^403015042254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 403015042254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (458766581760).

403015042254 is an abundant number, since it is smaller than the sum of its proper divisors (514518121266).

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

403015042254 is a wasteful number, since it uses less digits than its factorization.

403015042254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2926.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 403015042254 its reverse (452240510304), we get a palindrome (855255552558).

The spelling of 403015042254 in words is "four hundred three billion, fifteen million, forty-two thousand, two hundred fifty-four".