276415040 has 112 divisors (see below), whose sum is σ = 756025920. Its totient is φ = 95201280.

The previous prime is 276415039. The next prime is 276415067. The reversal of 276415040 is 40514672.

It is a junction number, because it is equal to n+sod(n) for n = 276414994 and 276415012.

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, 64814 + ... + 68946.

Almost surely, 2^276415040 is an apocalyptic number.

276415040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276415040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378012960).

276415040 is an abundant number, since it is smaller than the sum of its proper divisors (479610880).

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

276415040 is a wasteful number, since it uses less digits than its factorization.

276415040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4180 (or 4170 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 276415040 is about 16625.7342694992. The cubic root of 276415040 is about 651.4092029886.

The spelling of 276415040 in words is "two hundred seventy-six million, four hundred fifteen thousand, forty".