344400855162770 has 32 divisors (see below), whose sum is σ = 708482828566656. Its totient is φ = 118080114969600.

The previous prime is 344400855162769. The next prime is 344400855162809. The reversal of 344400855162770 is 77261558004443.

It is a happy number.

It is a super-2 number, since 2×344400855162770² (a number of 30 digits) contains 22 as substring.

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, 48127730 + ... + 54818610.

It is an arithmetic number, because the mean of its divisors is an integer number (22140088392708).

Almost surely, 2^{344400855162770} is an apocalyptic number.

344400855162770 is an abundant number, since it is smaller than the sum of its proper divisors (364081973403886).

344400855162770 is a wasteful number, since it uses less digits than its factorization.

344400855162770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7426226.

The product of its (nonzero) digits is 22579200, while the sum is 56.

The spelling of 344400855162770 in words is "three hundred forty-four trillion, four hundred billion, eight hundred fifty-five million, one hundred sixty-two thousand, seven hundred seventy".