438070245 has 16 divisors (see below), whose sum is σ = 702317952. Its totient is φ = 233168960.

The previous prime is 438070231. The next prime is 438070261. The reversal of 438070245 is 542070834.

It is not a de Polignac number, because 438070245 - 2⁶ = 438070181 is a prime.

It is a super-4 number, since 4×438070245⁴ (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21486 + ... + 36575.

It is an arithmetic number, because the mean of its divisors is an integer number (43894872).

Almost surely, 2^438070245 is an apocalyptic number.

It is an amenable number.

438070245 is a deficient number, since it is larger than the sum of its proper divisors (264247707).

438070245 is a wasteful number, since it uses less digits than its factorization.

438070245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58572.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 438070245 is about 20930.1276871404. The cubic root of 438070245 is about 759.4769282814.

The spelling of 438070245 in words is "four hundred thirty-eight million, seventy thousand, two hundred forty-five".