492677640 has 384 divisors, whose sum is σ = 2047368960. Its totient is φ = 103762944.

The previous prime is 492677621. The next prime is 492677651. The reversal of 492677640 is 46776294.

492677640 = T₃₂₄₅ + T₃₂₄₆ + ... + T₃₃₃₅.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 884242 + ... + 884798.

It is an arithmetic number, because the mean of its divisors is an integer number (5331690).

Almost surely, 2^492677640 is an apocalyptic number.

492677640 is a gapful number since it is divisible by the number (40) 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 492677640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1023684480).

492677640 is an abundant number, since it is smaller than the sum of its proper divisors (1554691320).

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

492677640 is a wasteful number, since it uses less digits than its factorization.

492677640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603 (or 587 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 492677640 is about 22196.3429420254. The cubic root of 492677640 is about 789.8069495705.

The spelling of 492677640 in words is "four hundred ninety-two million, six hundred seventy-seven thousand, six hundred forty".