2542420402 has 8 divisors (see below), whose sum is σ = 3815718912. Its totient is φ = 1270514100.

The previous prime is 2542420367. The next prime is 2542420411. The reversal of 2542420402 is 2040242452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343474 + ... + 350797.

It is an arithmetic number, because the mean of its divisors is an integer number (476964864).

Almost surely, 2^2542420402 is an apocalyptic number.

2542420402 is a deficient number, since it is larger than the sum of its proper divisors (1273298510).

2542420402 is a wasteful number, since it uses less digits than its factorization.

2542420402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696104.

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 2542420402 is about 50422.4196365069. The cubic root of 2542420402 is about 1364.8422403963.

Adding to 2542420402 its reverse (2040242452), we get a palindrome (4582662854).

The spelling of 2542420402 in words is "two billion, five hundred forty-two million, four hundred twenty thousand, four hundred two".