3542778248 has 8 divisors (see below), whose sum is σ = 6642709230. Its totient is φ = 1771389120.

The previous prime is 3542778241. The next prime is 3542778263. The reversal of 3542778248 is 8428772453.

It can be written as a sum of positive squares in only one way, i.e., 2877035044 + 665743204 = 53638^2 + 25802^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×3542778248³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3542778196 and 3542778205.

It is not an unprimeable number, because it can be changed into a prime (3542778241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221423633 + ... + 221423648.

Almost surely, 2^3542778248 is an apocalyptic number.

It is an amenable number.

3542778248 is a deficient number, since it is larger than the sum of its proper divisors (3099930982).

3542778248 is a wasteful number, since it uses less digits than its factorization.

3542778248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442847287 (or 442847283 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 50.

The square root of 3542778248 is about 59521.2419897300. The cubic root of 3542778248 is about 1524.4551665470.

The spelling of 3542778248 in words is "three billion, five hundred forty-two million, seven hundred seventy-eight thousand, two hundred forty-eight".