412778140 has 48 divisors (see below), whose sum is σ = 876421728. Its totient is φ = 163298304.

The previous prime is 412778137. The next prime is 412778143. The reversal of 412778140 is 41877214.

It is an interprime number because it is at equal distance from previous prime (412778137) and next prime (412778143).

It is a junction number, because it is equal to n+sod(n) for n = 412778096 and 412778105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412778143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1318624 + ... + 1318936.

It is an arithmetic number, because the mean of its divisors is an integer number (18258786).

Almost surely, 2^412778140 is an apocalyptic number.

It is an amenable number.

412778140 is an abundant number, since it is smaller than the sum of its proper divisors (463643588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

412778140 is a wasteful number, since it uses less digits than its factorization.

412778140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838 (or 836 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 412778140 is about 20316.9421911862. The cubic root of 412778140 is about 744.5700505534.

The spelling of 412778140 in words is "four hundred twelve million, seven hundred seventy-eight thousand, one hundred forty".