3400021545 has 32 divisors (see below), whose sum is σ = 5516284032. Its totient is φ = 1788014592.

The previous prime is 3400021531. The next prime is 3400021561. The reversal of 3400021545 is 5451200043.

It is not a de Polignac number, because 3400021545 - 2⁹ = 3400021033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 715999 + ... + 720731.

It is an arithmetic number, because the mean of its divisors is an integer number (172383876).

Almost surely, 2^3400021545 is an apocalyptic number.

It is an amenable number.

3400021545 is a deficient number, since it is larger than the sum of its proper divisors (2116262487).

3400021545 is a wasteful number, since it uses less digits than its factorization.

3400021545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5401.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 3400021545 is about 58309.7036950112. The cubic root of 3400021545 is about 1503.6977723845.

Adding to 3400021545 its reverse (5451200043), we get a palindrome (8851221588).

The spelling of 3400021545 in words is "three billion, four hundred million, twenty-one thousand, five hundred forty-five".