2545350402 has 32 divisors (see below), whose sum is σ = 5819439744. Its totient is φ = 727056000.

The previous prime is 2545350391. The next prime is 2545350403. The reversal of 2545350402 is 2040535452.

It is a self number, because there is not a number n which added to its sum of digits gives 2545350402.

It is not an unprimeable number, because it can be changed into a prime (2545350403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310152 + ... + 318252.

It is an arithmetic number, because the mean of its divisors is an integer number (181857492).

Almost surely, 2^2545350402 is an apocalyptic number.

2545350402 is an abundant number, since it is smaller than the sum of its proper divisors (3274089342).

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

2545350402 is a wasteful number, since it uses less digits than its factorization.

2545350402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15594.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 2545350402 is about 50451.4658062578. The cubic root of 2545350402 is about 1365.3663410446.

Adding to 2545350402 its reverse (2040535452), we get a palindrome (4585885854).

It can be divided in two parts, 25453 and 50402, that added together give a triangular number (75855 = T₃₈₉).

The spelling of 2545350402 in words is "two billion, five hundred forty-five million, three hundred fifty thousand, four hundred two".