4640402542 has 4 divisors (see below), whose sum is σ = 6960603816. Its totient is φ = 2320201270.

The previous prime is 4640402531. The next prime is 4640402551. The reversal of 4640402542 is 2452040464.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1160100634 + ... + 1160100637.

It is an arithmetic number, because the mean of its divisors is an integer number (1740150954).

Almost surely, 2^4640402542 is an apocalyptic number.

4640402542 is a deficient number, since it is larger than the sum of its proper divisors (2320201274).

4640402542 is a wasteful number, since it uses less digits than its factorization.

4640402542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320201273.

The product of its (nonzero) digits is 30720, while the sum is 31.

The square root of 4640402542 is about 68120.5001596436. The cubic root of 4640402542 is about 1667.9584147246.

The spelling of 4640402542 in words is "four billion, six hundred forty million, four hundred two thousand, five hundred forty-two".