2542440402 has 24 divisors (see below), whose sum is σ = 5550676560. Its totient is φ = 841010040.

The previous prime is 2542440391. The next prime is 2542440421. The reversal of 2542440402 is 2040442452.

2542440402 is a `hidden beast` number, since 254 + 2 + 4 + 4 + 0 + 402 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 536752 + ... + 541467.

It is an arithmetic number, because the mean of its divisors is an integer number (231278190).

Almost surely, 2^2542440402 is an apocalyptic number.

2542440402 is an abundant number, since it is smaller than the sum of its proper divisors (3008236158).

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

2542440402 is a wasteful number, since it uses less digits than its factorization.

2542440402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078358 (or 1078355 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 2542440402 is about 50422.6179605938. The cubic root of 2542440402 is about 1364.8458192397.

Adding to 2542440402 its reverse (2040442452), we get a palindrome (4582882854).

The spelling of 2542440402 in words is "two billion, five hundred forty-two million, four hundred forty thousand, four hundred two".