2478558742 has 16 divisors (see below), whose sum is σ = 4063257792. Its totient is φ = 1124552520.

The previous prime is 2478558713. The next prime is 2478558749.

2478558742 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2478558742² = 12286506875089245128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2478558742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2478558749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90948 + ... + 115015.

It is an arithmetic number, because the mean of its divisors is an integer number (253953612).

Almost surely, 2^2478558742 is an apocalyptic number.

2478558742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2478558742 is a deficient number, since it is larger than the sum of its proper divisors (1584699050).

2478558742 is a wasteful number, since it uses less digits than its factorization.

2478558742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206523.

The product of its digits is 5017600, while the sum is 52.

The square root of 2478558742 is about 49785.1257103967. The cubic root of 2478558742 is about 1353.3176275339.

The spelling of 2478558742 in words is "two billion, four hundred seventy-eight million, five hundred fifty-eight thousand, seven hundred forty-two".