276416240 has 20 divisors (see below), whose sum is σ = 642667944. Its totient is φ = 110566464.

The previous prime is 276416227. The next prime is 276416249. The reversal of 276416240 is 42614672.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 276416197 and 276416206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276416249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1727522 + ... + 1727681.

Almost surely, 2^276416240 is an apocalyptic number.

276416240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

276416240 is an abundant number, since it is smaller than the sum of its proper divisors (366251704).

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

276416240 is a wasteful number, since it uses less digits than its factorization.

276416240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3455216 (or 3455210 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 276416240 is about 16625.7703580917. The cubic root of 276416240 is about 651.4101456410.

The spelling of 276416240 in words is "two hundred seventy-six million, four hundred sixteen thousand, two hundred forty".