3400625522978 has 8 divisors (see below), whose sum is σ = 5100946118940. Its totient is φ = 1700310150000.

The previous prime is 3400625522951. The next prime is 3400625522981. The reversal of 3400625522978 is 8792255260043.

It can be written as a sum of positive squares in 2 ways, for example, as 3395038408969 + 5587114009 = 1842563^2 + 74747^2 .

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

It is a Curzon number.

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, 1788008 + ... + 3161996.

Almost surely, 2^{3400625522978} is an apocalyptic number.

3400625522978 is a deficient number, since it is larger than the sum of its proper divisors (1700320595962).

3400625522978 is a wasteful number, since it uses less digits than its factorization.

3400625522978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2611492.

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 3400625522978 in words is "three trillion, four hundred billion, six hundred twenty-five million, five hundred twenty-two thousand, nine hundred seventy-eight".