2581282402 has 16 divisors (see below), whose sum is σ = 4018512960. Its totient is φ = 1242068688.

The previous prime is 2581282381. The next prime is 2581282421. The reversal of 2581282402 is 2042821852.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54678 + ... + 90289.

It is an arithmetic number, because the mean of its divisors is an integer number (251157060).

Almost surely, 2^2581282402 is an apocalyptic number.

2581282402 is a deficient number, since it is larger than the sum of its proper divisors (1437230558).

2581282402 is a wasteful number, since it uses less digits than its factorization.

2581282402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145305.

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 2581282402 is about 50806.3224608906. The cubic root of 2581282402 is about 1371.7611750574.

The spelling of 2581282402 in words is "two billion, five hundred eighty-one million, two hundred eighty-two thousand, four hundred two".