1400377530 has 32 divisors (see below), whose sum is σ = 3361932288. Its totient is φ = 373320000.

The previous prime is 1400377493. The next prime is 1400377547. The reversal of 1400377530 is 357730041.

It is a super-2 number, since 2×1400377530² = 3922114453057801800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 148455 + ... + 157605.

It is an arithmetic number, because the mean of its divisors is an integer number (105060384).

Almost surely, 2^1400377530 is an apocalyptic number.

1400377530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1400377530 is an abundant number, since it is smaller than the sum of its proper divisors (1961554758).

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

1400377530 is a wasteful number, since it uses less digits than its factorization.

1400377530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14262.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 1400377530 is about 37421.6184845071. The cubic root of 1400377530 is about 1118.7894898621.

The spelling of 1400377530 in words is "one billion, four hundred million, three hundred seventy-seven thousand, five hundred thirty".