2045555402 has 8 divisors (see below), whose sum is σ = 3347272512. Its totient is φ = 929797900.

The previous prime is 2045555389. The next prime is 2045555417.

2045555402 is nontrivially palindromic in base 10.

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

It is a super-3 number, since 3×2045555402³ (a number of 29 digits) contains 333 as substring.

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, 46489874 + ... + 46489917.

It is an arithmetic number, because the mean of its divisors is an integer number (418409064).

Almost surely, 2^2045555402 is an apocalyptic number.

2045555402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2045555402 is a deficient number, since it is larger than the sum of its proper divisors (1301717110).

2045555402 is a wasteful number, since it uses less digits than its factorization.

2045555402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92979804.

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 2045555402 is about 45227.8166839833. The cubic root of 2045555402 is about 1269.4153594818.

It can be divided in two parts, 20455 and 55402, that added together give a palindrome (75857).

The spelling of 2045555402 in words is "two billion, forty-five million, five hundred fifty-five thousand, four hundred two".